Finding the Third Proportional to 143,818.50 and 225,144

Step by Step Solution

1. Step 1: Write the proportion equation
   143,818.50 : 225,144 = 225,144 : x
2. Step 2: Convert to fraction form
   143,818.50/225,144 = 225,144/x
3. Step 3: Cross multiply
   143,818.50x = 225,144 × 225,144
4. Step 4: Simplify right side
   143,818.50x = 50,689,820,736
5. Step 5: Solve for x
   x = 50,689,820,736/143,818.50
6. Step 6: Final answer
   x = 352,456.89